| 摘要 |
A process for the production of an aromatic carbonate is disclosed. The process entails (i) tempering an amount of aromatic hydroxy compound for a period t2 at an average temperature T2 in a device by bringing it together with an amount B1 of component d) and an amount C1 of component e), to produce an activated aromatic hydroxy compound wherein component d) is at least one compound selected from the group consisting of the compounds of Ru, Os, Rh, Ir, Ni, Pd and of Pt, and wherein component e) is at least one compound selected from the group consisting of the compounds of Sc, Y, La, Ti, Zr, Hf, V, Nb, Ta, Cr, Mo, W, Mn, Fe, Ni, Co, Cu, Ag, Au, Zn, Cd, Hg, Ga, In, Tl, Ge, Sn, Sb, Bi and Pb, and (ii) reacting in a reaction apparatus for a time t1 and at an average temperature T1 the activated aromatic hydroxy compound with carbon monoxide and oxygen in the presence of a catalyst system comprising an amount B2 of component (d) and an amount C2 of component (e) to produce an aromatic carbonate, said t2 being less than 50% of t1 and said T2 being at least 15° C. below said T1.
|
